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Mathematics, 25.07.2019 04:30 hannahbanana2000

Read the word problem below. antonio has a total of 55 marbles. he has 15 green marbles and 12 red marbles. the rest of the marbles are blue. how many blue marbles does he have? a student solves this problem by writing an equation. which strategy could check the student’s answer?

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Read the word problem below. antonio has a total of 55 marbles. he has 15 green marbles and 12 red m...

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